操作室中的空气污染:可以影响其的主要因素
Lorenzo Dragoni1, Davide Amodeo2, Gabriele Cevenini2
1Post Graduate School of Public Health, University of Siena, Siena, Italy.
概括
在手术室的空气污染受到空气变化和操作人员数量的影响. 监测这些因素,以及门的状态,可以帮助预防手术部位感染.
科学领域:
- 微生物学 微生物学
- 医院感染控制中心
- 环境监测 环境监测
背景情况:
- 手术部位感染 (SSIs) 是一个重大问题,增加了患者的发病率,死亡率和医疗费用.
- 在手术室内适当的通风和空气过对于预防SSI至关重要.
- 除了通风之外的因素,例如人员的存在和门的管理,也可能影响空气中的污染.
研究的目的:
- 评估操作人员数量和门状况对手术室微生物空气污染的影响.
- 调查空气变化与空气中的微生物负载之间的相关性.
- 为了确定环境因素和细菌殖民地数量之间的关系,在不同的化温度下计算.
主要方法:
- 分析了来自锡耶纳教学医院的105份运营控制报告 (2018-2021年).
- 斯皮尔曼相关性分析将殖民地数量 (在22°C和36°C) 与空气变化和操作员数量联系起来.
- 曼-惠特尼测试用于比较开放或关闭门的殖民地数量.
主要成果:
- 在22°C的殖民地计数仅与空气变化相关 (斯皮尔曼 ρ = -0.441,p < 0.001).
- 殖民地数量在36°C时与空气变化 (ρ = -0.394,p < 0.001) 和操作员数量 (ρ = +0.249,p = 0.011) 相相关.
- 在开放和关闭的门之间 (p = 0.013),以及在层状和流的空气流室之间 (p < 0.001) 观察到在36°C时殖民地数量的显著差异.
结论:
- 持续监测空气流,门状况和操作员号码对于预测和控制空气污染至关重要.
- 基于这些监测因素的实施策略可以帮助预防手术部位感染.
- 优化手术室环境条件是降低医院感染风险的关键.
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